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| Description The MXA-256-X detector is a hybrid focal plane Indium Gallium Arsenide PIN photodiode array with wavelength response ranging from 800 nm to 1700 nm. The array has 256 elements configured in a linear orientation with standard pixel height of 0.5 mm. A buffered multiplexer provides individual CMOS amplifiers for each photodiode. The integrating amplifier maintains zero volt bias across each InGaAs photodiode, minimizing dark current and low frequency noise and allowing for longer exposure times with increased sensitivity. A static shift register scanning circuit sequentially selects sample-and-hold integrator output voltages which are proportional to input optical power. On-chip correlated double sampling removes integrator offsets and further suppresses low frequency noise. The array is available in a 28 pin dual-in-line package. Included in the assembly are a single-stage thermoelectric cooler, silicon multiplexer, bias resistor and bypass capacitors. Multiplexed InGaAs PIN Photodiode Array MXA-256-X 800 - 1700 nm EVERYTHING IN A NEW LIGHT. Features * 256 multiplexed elements * High resolution (50 micron pitch) * Exposure times 10 micro sec. - 10 sec. * Wide dynamic range (14-bit) * Correlated double sampling * 800 - 1700 nm response Applications * Fiber optics, WDM monitor * NIR spectroscopy * NIR imaging * NIR astronomy * Far-field analysis MXA-256-X InGaAs MXA-256-XInGaAs Array Array PARAMETER Number of elements Pixel height Pixel pitch Package Dark Current Response CONDITIONS MXA-256-X 256 0.5 mm 0.05 mm 28 pin with 1-stageTE Cooler 5pA "5pA Typical @1550 nm Minimum@1550 nm 65 mV/pJ (0.97A/W onto 15 pF) 60 mV/pJ 800 to 1700 nm Wavelength response Response uniformity Pixel dropouts Noise equivalent charge Full well capacity Read noise NEP (pW/Hz1/2) @25C NEP (pW/Hz ) @25 C @1550 nm 10% "10% Grade A = none; Grade 2% Grade A = none; Grade B B "2% 1.8fC 100 KHz readout 400M e- (4V onto 15 pF) 15000 e- (150V onto 15 pF) 15000 e- (150V onto 15 pF) t = 1 msec t = 100 msec Tint <10ms 0.15 0.025 42 dB (>14 bits) 39 dB(>13 bits) 1 Optical Dynamic range1 Optical Dynamic range @ 25C 25 C Typical for 25C, Vn = 400V t# VN = 150V -5C, 10msec Typical pixel Maximum pixel Typical pixel Maximum pixel Dark voltage rate Dark voltage rate 25C @ 25C Dark voltage rate Dark voltage rate 5C @ 5C Pixel readout rate TE cooler (One stage) 0.6 V/sec 6.0 V/sec 0.1 V/sec 1.0 V/sec 10 KHz to 500KHz Hot side temperature 27C Tmax=64C @ 1.8A,8V T=45C @ 0.85A, 5V(Nominal) -40C to 70C Storage Case operating temperature range No cooler With cooling 0 to 40C -5to 70C Note 1: Optical Dynamic Range defined as: 10Vmaxlog(-Vdark/Vnoise) Vmax = 1.8 volts Vref = 3.5 volt Typical Performance Specifications at 25o C 8.0E-4 6.0E-4 4.0E-4 2.0E-4 0.0E-4 1 17 33 Standard Deviation of Dark Drift (V) (N=9, Tint=100ms) 49 65 81 97 113 129 145 161 177 193 209 225 241 Pixel Number 1.2 1 0.8 0.6 A/W 0.4 0.2 0 0.8 1.0 Responsivity 1.2 1.4 1.6 1.8 Wavelength (nm) (m) 1E-12 1300 NEP(W/Hz) 1E-13 1E-14 1E-15 1E-4 1E-3 1E-2 1E-1 1E+0 1E+1 Exposure Time (sec) Dark Current (pA) 4 2 0 -2 -4 0 80 Pixel Number 160 240 MXA-256-X MXA-256-X Multiplexed Array Schematic Diagram Note: Timing information as per PerkinElmer Optoelectronics MB Series Multiplexers Mechanical Specifications PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PIN OUT TABLE FUNCTION PIN # SH2 28 N/C 27 T.E. COOLER (+) 26 N/C 25 EVEN ST 24 THERMISTOR 23 THERMISTOR 22 GND 21 EVEN 1D 20 2D 19 EVEN EVEN EOS 18 N/C 17 EVEN OUT 1 16 EVEN OUT 2 15 FUNCTION SH1 RESET T.E. COOLER (-) ODD ST MUX SENSE* VDD VSS VREF ODD 1D ODD 2D ODD EOS N/C ODD OUT 1 ODD OUT 2 * Internally connected to Vss with MB Series multiplexer For more information e-mail us at opto@perkinelmer.com or visit our web site at www.perkinelmer.com/opto PerkinElmer Optoelectronics 22001 Dumberry Road Vaudreuil (QC) Canada J7V 8P7 Phone: (450) 424-3300 Fax: (450) 424-3411 All values are nominal; specifications subject to change without notice. (c)2000 PerkinElmer, Inc. All rights reserved. 0400 is a registered trademark of PerkinElmer, Inc. |
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